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Geometry

Geometry = Math of Euclid. Geometry is the Branch of math known for shapes (polygons), 3D figures, undefined terms, theorems, axioms, explanation of the universe, and pi.

176,573 Questions

At a certain time of day a tree casts a 9 foot shadow at the same time that a person 6 feet tall casts a 4 foot shadow What is the height of the tree?

joes friends are going to climb the climbling wall and have invited Joe to go with them. Joe is afraid of heights an wants to know how high the clibling wall is before he climbs it Joe is 5 1/2 feet tall an at 3:00 p.m his shadow is 2 3/4 feet long at the same time the shadow of the rock wall is 35 feet long how high is the rock wall

What object has 6 flat surfaces?

A CUBE, or a CUBOID .

Collectively an 'Hexahedron'.

Do all mirrors have flat surfaces?

NO!!!

There are Concave mirrors, and convex mirrors.

However, the images from both these types of mirror are distorted.

Car headlights are a special form of concave mirror.

Does a right triangle or right kite have right angles?

YES!!! The whole point of the word ' right' is to indicate a right (90 degree) angle.

Does a rhombus have 2 pairs of parllel sides?

YES!!!

All four sides are of equal length.

Think of it as a 'lazy square'.

What formulas use Pi in the equation?

C = pi d

C = 2 pi r

A = pi r^(2)

Vol(sphere) = ( 4/3) pi r^(3)

A(Sphere) = 4 pi r^(2)

Vol(Cylinder) = pi r^(2) h

A(Cyl) = 2pi r h + + 2 pi r^(2) =2 pi r ( h + r)

Did human evolution follow a straight line path from one species to the next?

The first Book of the Bible called Genesis describes in detail how living things came into existence in these words. Genesis 1: 21-25 where it mentions that every thing was created according to their kind.

Genesis 1:26 shows tha the first man was created in the image of God, which means that we have the ability to cultivate and manifest God's qualities: such as love, empathy, and justice.

Today, there is a great variety in the human family, but humans reproduce only 'after their kind'. The dog family has many varieties, but dogs always remain dogs. And we can go on and on with every specie Things continue to be as the Bible confirms in the Book of Genesis.

So to answer your question, which is " How did human evolution start?.

Genesis 1: 1 reads. " In the beginning God created".

The last Book of the Bible Revelation 4: 11 reads. " You are worthy, Jehovah our Gor, to receive the glory and the honour and the power, because you created all things, and because of your will they came into existence and were created."

As we reflect on these complex variety of living creatures that human inventors have attempted to copy, such as a heart, a hip, a knee, and so forth...... Are these not the kind of intricate designs that experience teaches can only be the product of a brillant designer? In many areas, human techonology is still lagging far behind nature.

This coping from living things is so prevalent that it has been given its own name.-- BIONICS.

The answer to your question is. It all started by a brilliant designer called Jehovah God.

Can a right triangle be an isosceles triangle?

Yes, a right triangle an be an isosceles triangle. The triangle will will have a 90 degree angle and two 45 degree angles. This is the only way a right angle triangle can also be an isosceles triangle.

What is the sine co sine and tangent of a 90 degree angle if it is on an isosceles right triangle?

Sin (45) = 0.7971...

Cos( 45( = 0.7071

Tan (45)= 1

Being a right isosceles triangle, the other two angles are each 45 degrees.

Sin(90) = 1

Cos(90) = 0

Tan (90) = Infinitely large, as to be undefined.

The area of a circle with a radius of 10 cm .?

A = pi r^(2)

pi = 3.14

r = 10

Substitute

A = 3.14 X 10^(2)

A = 3.14 X 100 cm^(2)_

A = 314.0 cm^(2)

What is the length and width of 80 acres squared?

If an 80-acre plot forms a perfect square, its length and width are approximately:

1,867 feet by 1,867 feet

622 yards by 622 yards

569 meters by 569 meters

(Calculated based on 1 acre = 43,560 square feet).

Is a quadrilateral parellelogram?

A quadrilateral is any four sides shape.

A parallelogram is a special form of quadrilateral , by having opposite sides parallel and of equal length.

Can a rhombus be a parellelogram if so why?

YES!!!!

It is a special form of parallelogram, where all the sides are of equal length.

By comparison a common parallelogram has adjacent sides of different length.

What is the circumference of 7 cm?

To find the circumference of a circle, you can use the formula ( C = 2\pi r ), where ( r ) is the radius. If the radius is 7 cm, then the circumference is ( C = 2\pi(7) ), which is approximately ( 43.98 ) cm when using ( \pi \approx 3.14 ). If the diameter is 7 cm, the circumference would be ( C = \pi(7) ), approximately ( 21.99 ) cm.

What is 3.14 times 4?

3.14(pi)*4=12.56

Why don't you calculate it your self?!

What is the sum of angles in a 50-sided polygon?

1sr find the EXTerior Angle. 4

EXT ANG = 360 / 50

EXT Ang = 36/5 = 7.2

Hence

Int Ang = 180 - 7.2 = 172.8.

Since there are 50 sides there are 50 interior angles. at 172.8 each

So sum of interior angles is 50 X 172.8 = 8640 degrees.

NB

Remember the table.

Sum of interior angles.

3 sides = 180

4 sides= 360

5 sides = 540

et seq/

For each additional side add 180 degrees.

How many sides are in a 50 sided polygon?

You have answered the question for yourself!!!! --- '50'.

What value squared equals 201.64?

x^(2) = 201.64

find square root of both sides.

Hence

x = sqrt( 201.64(

x = 14.2

What is the value of k in the line of y equals kx plus 1 and is tangent to the curve of y squared equals 8x?

y = kx + 1

y^(2) = 8x

Square up the linear eq'n and substitute.

Hence

y^(2) = ( kx + 1)^(2)

(kx + 1)^(2) = 8x

Square out the brackets

(kx)^(2) + 2kx + 1 = 8x

(kx)^(2) + (2k-8)x + 1 = 0

Apply the discriminant

b^(2) -4ac = 0

(2k - 8)^(2) - 4(k)^(2)(1)

4k^(2) - 32k + 64 - 4k^(2) = 0

32k - 64 = 0

32k = 64

k = 2

=64

Is a ASA triangle similarity postulate?

Not in the sense that you mean. With similarity postulates, such as SSS, the sides maintain a proportion with each other, and since there is only one side in ASA - there is nothing to compare it to? So this postulate reduces to: Is AA a similarity poostulate? which turns out to be true (given two angles, you can find the third).

What is the correct formula for calculating the change of temperature from Fahrenheit to Celsius?

C = 5/9(F - 32)

e.g.

61 oF

C = 5/9(61-32) =

C = 5/9(29)

C = 16.111..... oC

Conversely

F = (9C/5) + 32

e.g.

F = ( 9 X -40 oC/5) +32

F = -360/5 + 32

F = -72 + 32

F = -40 oF

NB -40 oC = -40 oF This is the only point on the two temperature scales , which have the same numerical value. at ' -40 '.